// WARNING: This file is machine generated by fidlgen.

// fidl_experiment = no_optional_structs
// fidl_experiment = simple_empty_response_syntax
// fidl_experiment = unknown_interactions

#![allow(
    unused_parens, // one-element-tuple-case is not a tuple
    unused_mut, // not all args require mutation, but many do
    nonstandard_style, // auto-caps does its best, but is not always successful
)]
#![recursion_limit = "512"]

#[cfg(target_os = "fuchsia")]
#[allow(unused_imports)]
use fuchsia_zircon as zx;

#[allow(unused_imports)]
use {
    bitflags::bitflags,
    fidl::{
        client::QueryResponseFut,
        encoding::zerocopy,
        endpoints::{ControlHandle as _, Responder as _},
        fidl_bits, fidl_enum, fidl_struct, fidl_table, fidl_union,
    },
    fuchsia_zircon_status as zx_status,
    futures::future::{self, MaybeDone, TryFutureExt},
};

const _FIDL_TRACE_BINDINGS_RUST: u32 = 6;

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ExampleMarker;

impl fidl::endpoints::ProtocolMarker for ExampleMarker {
    type Proxy = ExampleProxy;
    type RequestStream = ExampleRequestStream;
    const DEBUG_NAME: &'static str = "(anonymous) Example";
}

pub trait ExampleProxyInterface: Send + Sync {
    fn r#existing_method(&self) -> Result<(), fidl::Error>;
}

#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ExampleSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl ExampleSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ExampleMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(&self, deadline: zx::Time) -> Result<ExampleEvent, fidl::Error> {
        ExampleEvent::decode(self.client.wait_for_event(deadline)?)
    }
    pub fn r#existing_method(&self) -> Result<(), fidl::Error> {
        self.client.send::<fidl::encoding::EmptyPayload, false>(
            (),
            0x59d70065bd3a2cf6,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[derive(Debug, Clone)]
pub struct ExampleProxy {
    client: fidl::client::Client,
}

impl fidl::endpoints::Proxy for ExampleProxy {
    type Protocol = ExampleMarker;

    fn from_channel(inner: fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl ExampleProxy {
    /// Create a new Proxy for Example
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name = <ExampleMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the Example protocol
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> ExampleEventStream {
        ExampleEventStream { event_receiver: self.client.take_event_receiver() }
    }
    pub fn r#existing_method(&self) -> Result<(), fidl::Error> {
        ExampleProxyInterface::r#existing_method(self)
    }
}

impl ExampleProxyInterface for ExampleProxy {
    fn r#existing_method(&self) -> Result<(), fidl::Error> {
        self.client.send::<fidl::encoding::EmptyPayload, false>(
            (),
            0x59d70065bd3a2cf6,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

pub struct ExampleEventStream {
    event_receiver: fidl::client::EventReceiver,
}

impl std::marker::Unpin for ExampleEventStream {}

impl futures::stream::FusedStream for ExampleEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for ExampleEventStream {
    type Item = Result<ExampleEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let buf = match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => buf,
            None => return std::task::Poll::Ready(None),
        };

        std::task::Poll::Ready(Some(ExampleEvent::decode(buf)))
    }
}

#[derive(Debug)]
pub enum ExampleEvent {}

impl ExampleEvent {
    /// Decodes a message buffer as a [`ExampleEvent`]. Transaction
    /// ID in the message must be zero; this method does not check TXID.
    fn decode(mut buf: fidl::MessageBufEtc) -> Result<ExampleEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

        match tx_header.ordinal() {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal(),
                protocol_name: <ExampleMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for Example
pub struct ExampleRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

impl std::marker::Unpin for ExampleRequestStream {}

impl futures::stream::FusedStream for ExampleRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for ExampleRequestStream {
    type Protocol = ExampleMarker;
    type ControlHandle = ExampleControlHandle;

    fn from_channel(channel: fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        ExampleControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(self) -> (::std::sync::Arc<fidl::ServeInner>, bool) {
        (self.inner, self.is_terminated)
    }

    fn from_inner(inner: std::sync::Arc<fidl::ServeInner>, is_terminated: bool) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for ExampleRequestStream {
    type Item = Result<ExampleRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.poll_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled ExampleRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf(|bytes, handles| {
            match this.inner.channel().read_etc(cx, bytes, handles) {
                std::task::Poll::Ready(Ok(())) => {}
                std::task::Poll::Pending => return std::task::Poll::Pending,
                std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                    this.is_terminated = true;
                    return std::task::Poll::Ready(None);
                }
                std::task::Poll::Ready(Err(e)) => {
                    return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(e))))
                }
            }

            // A message has been received from the channel
            let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
            if !header.is_compatible() {
                return std::task::Poll::Ready(Some(Err(fidl::Error::IncompatibleMagicNumber(
                    header.magic_number(),
                ))));
            }

            std::task::Poll::Ready(Some(match header.ordinal() {
                0x59d70065bd3a2cf6 => {
                    let mut req = fidl::new_empty!(fidl::encoding::EmptyPayload);
                    fidl::duration_begin!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "fidl.test.protocolmethodremove/ExampleExistingMethodRequest");
                    fidl::trace_blob!("fidl:blob", "decode", bytes);
                    if header.dynamic_flags().contains(fidl::encoding::DynamicFlags::BYTE_OVERFLOW)
                    {
                        Err(fidl::Error::LargeMessageImpossible)?;
                    }
                    fidl::encoding::Decoder::decode_into::<fidl::encoding::EmptyPayload>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    fidl::duration_end!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);
                    let control_handle = ExampleControlHandle { inner: this.inner.clone() };

                    Ok(ExampleRequest::ExistingMethod { control_handle })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal(),
                    protocol_name: <ExampleMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
        })
    }
}
#[derive(Debug)]
pub enum ExampleRequest {
    ExistingMethod { control_handle: ExampleControlHandle },
}

impl ExampleRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_existing_method(self) -> Option<(ExampleControlHandle)> {
        if let ExampleRequest::ExistingMethod { control_handle } = self {
            Some((control_handle))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ExampleRequest::ExistingMethod { .. } => "existing_method",
        }
    }
}

#[derive(Debug, Clone)]
pub struct ExampleControlHandle {
    inner: std::sync::Arc<fidl::ServeInner>,
}

impl fidl::endpoints::ControlHandle for ExampleControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }

    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }

    fn on_closed<'a>(&'a self) -> fidl::OnSignals<'a> {
        self.inner.channel().on_closed()
    }
}

impl ExampleControlHandle {}